Nov 24, 2025 Leave a message

API 5L X46 PSL1 PSL2 Seamless Line Pipe

API 5L X46 PSL1 PSL2 Seamless Line Pipe description

API 5L X46 steel pipe is a pipeline material produced according to the standards issued by the American Petroleum Institute (API). As a globally recognized specification for pipeline tubing systems in the oil and gas industry, API 5L imposes strict requirements on the material, mechanical properties, chemical composition, and manufacturing processes of steel pipes.

X46 represents the yield strength grade of the steel pipe, with a minimum yield strength of 46 ksi (kilopounds per square inch), approximately 317 MPa. This steel is typically made from carbon steel or low-alloy steel, with heat treatment and alloy additions used to achieve the required strength and toughness.

API 5L X46 steel pipe must not only meet strength requirements but also ensure corrosion resistance, low-temperature toughness, and weldability in harsh environments. Therefore, it cannot be compared to ordinary Q235B steel.

 

API 5L X46 Carbon steel seamless pipe specification

API 5l Gr X46 Chemical Material Composition

X46 PSL1 X46 PSL2
Grade P C S Mn P C S Mn
X46 0.03 0.26 0.03 1.40 0.025 0.22 0.015 1.40

 

API 5L X46 L320 Pipes Yield Strength

Pipe Grade Tensile Strength - X46 Pipe Body of Seamless and Welded Pipes PSL 1 SMLS of X46 Welded Pipe
Yield Properties a Tensile Properties a Elongation Tensile Properties b
Rt0,5 PSI Min Rm PSI Min (in 2in Af % min) Rm PSI Min
X46 46,400 63,100 c 63,100

 

Pipe Grade Tensile Strength - X46 Pipe Body of Seamless and Welded Pipes PSL 2 SMLS of X46 Welded Pipe
Yield Properties a Tensile Properties a Ratio a,c Elongation Tensile Properties d
Rt0,5 PSI Min Rm PSI Min R10,5IRm (in 2in) Rm (psi)
      Af %  
X46N, X46Q, X46M 46,400 76,100 63,100 95,000 0.93 f 63,100

 

Types of Packaging:

-Bundles (hexagonal)
-Wooden Boxes
-Crates (steel/wooden)
- Special crates for U-Bend tubes with each radius separated
- Packaging for API 5L X46 PSL1 PSL2 Carbon Steel Seamless Pipe as per customer's requirements

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